// invokeRepeating
private void SpawnRepeating()
{
// create the stack
// create the method in a Utils class
spawnStack = ListUtils.CreateShuffleStack(spawnPoints);
InvokeRepeating("Spawn", spawnDelay, spawnInterval);
}
// spawn a single enemy ship
private void Spawn()
{
if (spawnStack.Count == 0)
{
// reshuffle the stack again
spawnStack = ListUtils.CreateShuffleStack(spawnPoints);
}
var spawnPoint = spawnStack.Pop();
//var enemy = Instantiate(enemyPrefab); //adds to the hierachy base level
var enemy = Instantiate(enemyPrefab, enemyParent.transform);
enemy.transform.position = spawnPoint.transform.position;
}
// Update is called once per frame
private void SpawnRepeating()
{
spawnStack = ListUtils.CreateShuffleStack(spawnPoints);
InvokeRepeating("Spawn", spawnDelay, spawnInterval);
}
